Open-source alternatives to Lucidchart
6 open-source projects that do what Lucidchart does. Picked or featured by Willet; numbers are from GitHub.
Last updated
| Project | What it does | Stars | License | Last commit | Self-hostable |
|---|---|---|---|---|---|
| A virtual whiteboard for quick diagrams that look hand-drawn | 134k | MIT | Yes | ||
| Agent skill that turns ideas or codebases into interactive HTML diagrams | 86.2k | MIT | No | ||
| Agent skill that draws branded diagrams as standalone HTML and SVG files | 58.8k | MIT | No | ||
| Browser-based editor for database ER diagrams with SQL export | 40.1k | AGPL-3.0 | Yes | ||
| AI chat assistant that draws and edits draw.io diagrams for you | 36.3k | Apache-2.0 | Yes | ||
| Architecture-as-code language that turns models into live C4-style diagrams | 5.9k | MIT | No |
